Amazon.ca Product Description OFFICE SUITES ADJUSTABLE KEYBOARD TRAY BLACK/SILVER. Saves space and offers good support. Single knob adjusts height and tilt; tray swivels to preferred position. Mouse tray mounts on left or right side. Includes memory foam wrist supports. From the Manufacturer The fully adjustable Fellowes Office Suites Keyboard Tray saves space and offers good support while you work. To adjust height and tilt, you loosen a single knob to reposition the keyboard manager, hold in place, then retighten knob to lock in position. Keyboard tray swivels to the left or right and swings back underneath your work surface for convenient storage. Sliding arm lets you pull the keyboard tray closer to you for ease of use. Mouse tray mounts to right or left side of the keyboard tray for versatility. Both the keyboard tray and the mouse tray include soothing gel wrist supports for added comfort. The keyboard manager is constructed of solid, 2mm-thick steel for lasting performance, and a unique cord management feature prevents tangled cords.